<!-- <!DOCTYPE html>
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<head>
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    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <ul>
        <li>jkl</li>
        <li>jkl</li>
    </ul>
    <a href="https://www.baidu.com" />baidu</a>
    <button>anniu</button>
    <input value="input" />
    
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Grid Nesting Example</title>
<style>
  .outer-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    height: 200px;
  }
 
  .inner-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 5px;
    background-color: #f9f9f9;
    padding: 10px;
  }
 
  .item {
    background-color: #f0f0f0;
    border: 1px solid #ccc;
    padding: 10px;
    text-align: center;
  }
</style>
</head>
<body>
 
<div class="outer-container">
  <div class="inner-container">
    <div class="item">1</div>
    <div class="item">2</div>
    <div class="item">3</div>
  </div>
  <div class="inner-container">
    <div class="item">4</div>
    <div class="item">5</div>
  </div>
  <div class="inner-container">
    <div class="item">6</div>
    <div class="item">7</div>
    <div class="item">8</div>
  </div>
</div>
 
</body>
</html>